[GRASSLIST:5490] Re: PONET- where from?!

Hamish hamish_nospam at yahoo.com
Sun Jan 23 18:00:40 EST 2005


> I've been using a raster layer as a mask and now want to expand my 
> study area. My problem however is that I can not remember where I got 
> the data for the mask!
> 
> The data is land areas, with coastlines matching those of the
> Political  Ocean Network data (the is even a matching anomaly where
> the  Saudi/Yemen border is unclear). But rather than being vector
> lines,  this coverage is raster areas, with water as a nul value.
> 
> Can anybody suggest where I can download this data? Alternatively I
> can  presumably produce such a raster from the vectors, but how?


Use the v.to.rast module. Note the conversion of labeled areas can be
subtle.

also have a look to see if there are any meta-data notes on the raster
MASK that might give you some clues:  'r.info MASK'



Hamish




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